Am 19.05.2015 um 13:41 schrieb Jani Nikula:
For brand new platforms you should be running drm-intel-nightly branch from http://cgit.freedesktop.org/drm-intel.
Thanks, will try out next.
Double check that you have either i915.preliminary_hw_support=1 module parameter set or CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT=y config option set.
ACK. That option is set (otherwise the audio-driver wouldn't work. :-)
Regards, Rainer